My professor assigned 100 questions for us to answer and study off of and I have had trouble with these following questions. I would greatly appreciate any input.
Desertification is often caused by
1) rising temperature.
2) irrigation.
3) logging.
4) melting of the polar ice caps.
5) overgrazing of livestock
Which of the following is not considered a harmful farming practice?
1) heavy irrigation
2) monoculture
3) excessive crop rotation
4) excessive fuel consumption
5) heavy use of fertilizers
The preferred energy source in the United States is
1) imported oil.
2) solar energy.
3) nuclear energy.
4) coal.
5) hydroelectric generators.
The process by which industrial wastes become more concentrated in the bodies
of organisms as they pass along a food chain is called
1) organismal-assisted enhancement.
2) bioaccumulation.
3) biological magnification.
4) waste bioaugmentation.
5) reverse biodegradation.
The majority of biological extinctions are due to
1) invasion by exotic species.
2) habitat loss.
3) overexploitation.
4) fossil fuel emissions.
5) pollution.
Which of the following is not a renewable resource?
A. fossil fuels
B. food crops
C. water
D. wild game
E. solar energy
Pollution is defined as
A. an alteration in land usage.
B. an undesirable alteration to the environment.
C. the impact of human activity on the environment.
D. the impact of animal and plant species on the environment.
E. the introduction of a new species into an environment.
Desertification and deforestation are similar in that both involve
A. overpopulation of an area by humans.
B. loss of plant and animal life in an area.
C. lack of rainfall in an area.
D. overgrowth of undesirable plants in an area.
E. loss of wetland habitats.
Most of the world’s fresh water supply is used for
A. drinking water by humans.
B. bathing by humans.
C. irrigating crops.
D. drinking water for livestock.
E. boating and recreation.
Which of the following is least responsible for soil erosion?
A. poor landscaping practices that expose the land to excess wind
B. overgrazing by livestock
C. use of drip irrigation systems
D. deforestation
E. wetland destruction
The increased efficiency of fishing has led to
A. loss of biodiversity in fish and other species.
B. decreased yields from fishing.
C. increased biodiversity of aquatic animals other than fish.
D. increased nutritional deficiencies in the human population.
E. decreased need for agriculture.
Hydropower and wind power are similar in that both are
A. nonrenewable energy sources.
B. renewable energy sources.
C. commonly used worldwide as power sources.
D. dependent in part on fossil fuels.
E. sources of environmental pollution.
Human society in its current form is unsustainable because
A. important natural resources are being consumed more quickly than
they can be replenished.
B. renewable energy sources are consuming land and resources more quickly than
they can be replenished.
C. recycling has lessened the need for the mining of some mineral resources.
D. fresh water is a renewable resource that can be preserved through conservation.
E. diverting agricultural yield for feeding livestock supplies protein to a community’s diet.
Desertification is often caused by
3) logging.
Which of the following is not considered a harmful farming practice?
3) excessive crop rotation
The preferred energy source in the United States is
1) imported oil.
The process by which industrial wastes become more concentrated in the bodies of organisms as they pass along a food chain is called
2) bio accumulation.
The majority of biological extinctions are due to
2) habitat loss.
Which of the following is not a renewable resource?
A. fossil fuels
Pollution is defined as
B. an undesirable alteration to the environment.
Most of the world’s fresh water supply is used for
C. irrigating crops.
Hydro power and wind power are similar in that both are
B. renewable energy sources.
Human society in its current form is unsustainable because
A. important natural resources are being consumed more quickly than
they can be replenished.
I’m not sure about the other ones.